Buttstock assembly



FIG. 1 is a perspective view of “buttstock assembly” showing my new design thereof;

FIG. 2 is a front side elevational view thereof;

FIG. 3 is a rear plan view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right plan view thereof;

FIG. 6 is a top side elevational view thereof; and,

FIG. 7 is a bottom side elevational view thereof.

The broken line showing of portions of the butt stock assembly in the figures is included for the purpose of illustrating environment and forms no part of the claimed design. 

The ornamental design for “buttstock assembly,” as shown and described. 